# RIBBONDOCKEDHEIGHT System Variable [GstarCAD 2018](Help%20System/GSTARCAD/2018/Index.md) → [System Variables](Help%20System/GSTARCAD/2018/System%20Variables/(System%20Variables).md) → [R](Help%20System/GSTARCAD/2018/System%20Variables/R/(R).md) ## Function Description: The RIBBONDOCKEDHEIGHT system variable is used to determine whether set the horizontal docked ribbon to be current tab height or predefined height. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 100 | | Range | 0 \~ 500 | If specified to be 0, ribbon will adjust and fit selected tab height. Set a value between 1 and 500, ribbon height will be the number of this value in pixels. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/R/RIBBONDOCKEDHEIGHT%20System%20Variable.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/R/RIBBONDOCKEDHEIGHT%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/R/RIBBONDOCKEDHEIGHT%20System%20Variable.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/R/RIBBONDOCKEDHEIGHT%20System%20Variable.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/R/RIBBONDOCKEDHEIGHT%20System%20Variable.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/R/RIBBONDOCKEDHEIGHT%20System%20Variable.md)